2.5乘1.25乘0.32用简便方法计算
问题描述:
2.5乘1.25乘0.32用简便方法计算
答
2.5*1.25*0.32
=2.5*1.25*0.4*0.8
=2.5*0.4*1.25*0.8
=1*1
=1